:root{--bg-primary:#FFFFFF;--bg-secondary:#FFFFFF;--bg-card:#FFFFFF;--text-primary:#000000;--text-secondary:rgba(0,0,0,0.5);--text-muted:rgba(0,0,0,0.5);--border:rgba(0,0,0,0.1);--shadow:rgba(0,0,0,0.06);--overlay:rgba(0,0,0,0.9);--accent:#000000;--accent-hover:rgba(0,0,0,0.7);--font-family:var(--font-inter),var(--font-noto),"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC",sans-serif;--font-size-xs:12px;--font-size-sm:13px;--font-size-base:14px;--font-size-md:15px;--font-size-lg:18px;--font-size-xl:24px;--font-size-2xl:32px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--page-margin:48px;--page-margin-mobile:16px;--transition-fast:150ms ease-out;--transition-base:200ms ease-out;--transition-slow:300ms ease-in-out;--radius-sm:2px;--radius-md:4px;--radius-lg:8px;--radius-full:9999px;--header-height:60px;--nav-link-color:rgba(0,0,0,0.5);--nav-link-hover:#000000}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;letter-spacing:0;background-color:var(--bg-primary);min-height:100vh;overflow-x:hidden}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{font-weight:400;line-height:1.3}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}p{color:var(--text-secondary)}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent)}.nav-link{position:relative}.nav-link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1px;background:black;transition:width .2s ease-out}.nav-link:hover:after{width:100%}.container{width:100%;max-width:1440px;margin:0 auto;padding:0 var(--page-margin)}@media (max-width:768px){.container{padding:0 var(--page-margin-mobile)}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background-color:var(--accent);color:#FFFFFF}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(0,0,0,.2);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:rgba(0,0,0,.3)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn .4s ease-in-out forwards}.animate-scale-in{animation:scaleIn .3s ease-out forwards}.copyright-footer{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:var(--font-size-sm);border-top:1px solid var(--border);margin-top:60px}img{-webkit-touch-callout:none;-moz-user-select:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;user-drag:none}img,img[loading]{pointer-events:auto}body{-webkit-touch-callout:none}